Re: [PATCH] time/tick-broadcast: Fix tick_broadcast_offline() lockdep complaint

From: Peter Zijlstra
Date: Fri Jun 21 2019 - 08:29:36 EST


On Fri, Jun 21, 2019 at 05:16:30AM -0700, Paul E. McKenney wrote:
> A pair of full hangs at boot (TASKS03 and TREE04), no console output
> whatsoever. Not sure how these changes could cause that, but suspicion
> falls on sched_tick_offload_init(). Though even that is a bit strange
> because if so, why didn't TREE01 and TREE07 also hang? Again, looking
> into it.

Pesky details ;-)